Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1985-11-12
1988-03-01
Halvosa, George E. A.
Brakes
Wheel
Axially movable brake element or housing therefor
188 795K, 188196D, 192 7025, 192111A, F16D 6556
Patent
active
047279630
ABSTRACT:
A friction coupling incorporating wear compensating comprises friction members and a plunger adapted to extend in response to wear of the friction members. The extension of the plunger is controlled by the rotation in a predetermined direction of a rotating member housed in the plunger. On this member are engaged two one-way circumferentially-acting friction members, each consisting of at least two-thirds of a turn of a spring. One of these, connected to the plunger, is adapted to prevent rotation of the rotating member relative to the plunger when the latter moves forward. The other, coupled to a control member such as a lever, is adapted to drive the rotating member in rotation in the previously mentioned predetermined direction when the plunger moves back, if the previous forward movement of the plunger has exceeded a substantially constant set point value. A flexible part, linked to the friction member, absorbs forces applied by the control member when the plunger travel is less than a predetermined minimum level for activating wear compensation.
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Halvosa George E. A.
Valeo
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